A Semi-distributed Reputation Based Intrusion Detection System for Mobile Adhoc Networks
Animesh Kr Trivedi, Rajan Arora, Rishi Kapoor, Sudip Sanyal, Sugata, Sanyal

TL;DR
This paper introduces a semi-distributed reputation-based intrusion detection system for MANETs that enhances security by combining social-inspired reputation mechanisms with the DSR routing protocol, improving packet delivery and reducing routing overhead.
Contribution
It presents a novel semi-distributed IDS architecture with features like Redemption and Fading, optimized parameters, and integration with DSR, offering improved security against attacks in MANETs.
Findings
Outperforms standard DSR in packet delivery ratio
Reduces routing overhead under malicious node conditions
Effective against common MANET attacks
Abstract
A Mobile Adhoc Network (MANET) is a cooperative engagement of a collection of mobile nodes without any centralized access point or infrastructure to coordinate among the peers. The underlying concept of coordination among nodes in a cooperative MANET has induced in them a vulnerability to attacks due to issues like lack of fixed infrastructure, dynamically changing network topology, cooperative algorithms, lack of centralized monitoring and management point, and lack of a clear line of defense. We propose a semi-distributed approach towards Reputation Based Intrusion Detection System (IDS) that combines with the DSR routing protocol for strengthening the defense of a MANET. Our system inherits the features of reputation from human behavior, hence making the IDS socially inspired. It has a semi-distributed architecture as the critical observation results of the system are neither spread…
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Taxonomy
TopicsMobile Ad Hoc Networks · Opportunistic and Delay-Tolerant Networks · Cooperative Communication and Network Coding
